# TidyCalcs

> Free, instant, no-sign-up online calculators and plain-English guides for everyday money, health, and time questions.

TidyCalcs provides 29 free calculators and 58 in-depth guides. Every calculator runs in the browser with no accounts or data collection. Results use standard published formulas, and guide figures are calculated examples.

## Calculators

- [401(k) Calculator — Project Your Retirement Balance](https://www.tidycalcs.com/401k-calculator/): Free 401(k) calculator. See your projected retirement balance, whether you're getting your full employer match, and how 2026 IRS limits apply.
- [Age Calculator — How Old Am I? Free Online Tool](https://www.tidycalcs.com/age-calculator/): Calculate your exact age in years, months, days, hours and minutes. Free online age calculator — instant results, no sign up needed.
- [Amortization Schedule Calculator — Loan Payoff](https://www.tidycalcs.com/amortization-schedule-calculator/): See your full loan amortization schedule, year by year or month by month. Free calculator shows principal, interest, and remaining balance for every payment.
- [Car Affordability Calculator — How Much Car Can I Afford?](https://www.tidycalcs.com/car-affordability-calculator/): Enter your income to see the most car you can afford, your max car payment, and total monthly car costs including insurance and gas.
- [Auto Loan Calculator — Free Car Payment Estimator](https://www.tidycalcs.com/auto-loan-calculator/): Calculate your car payment instantly. Free auto loan calculator with monthly payment, total interest, trade-in and down payment support.
- [BMI Calculator — Free Body Mass Index Calculator](https://www.tidycalcs.com/bmi-calculator/): Calculate your BMI instantly. Free online Body Mass Index calculator with health insights, ideal weight range, and personalized results.
- [Body Shape Calculator — What's My Body Type?](https://www.tidycalcs.com/body-shape-calculator/): Enter bust, waist and hip measurements to find your body shape (hourglass, pear, apple, rectangle or inverted triangle) plus waist-to-hip and waist-to-height ratios.
- [Ideal Weight Calculator — How Much Should I Weigh?](https://www.tidycalcs.com/ideal-weight-calculator/): Free ideal weight calculator for women and men. See your ideal body weight from 4 formulas (Robinson, Miller, Devine, Hamwi) plus your healthy BMI weight range.
- [Body Fat Percentage Calculator — U.S. Navy Method](https://www.tidycalcs.com/body-fat-calculator/): Calculate your body fat percentage free with the U.S. Navy method. Just a tape measure. Get your category, fat mass, and lean mass instantly.
- [Calorie Calculator — Daily Calorie & TDEE Needs Free](https://www.tidycalcs.com/calorie-calculator/): Calculate your daily calorie needs free. Estimate TDEE for weight loss, maintenance, or muscle gain, with a personalized macro breakdown.
- [Caffeine Calculator — How Much Caffeine Is Too Much?](https://www.tidycalcs.com/how-much-caffeine-is-too-much/): Add up the coffee, tea, soda and energy drinks you have in a day and compare the total with the FDA 400 mg guide for adults, 200 mg in pregnancy and 100 mg for teens.
- [Compound Interest Calculator — Free Growth Estimator](https://www.tidycalcs.com/compound-interest-calculator/): Free compound interest calculator. See how your money grows over time with a yearly growth table and total earnings breakdown.
- [Credit Card Payoff Calculator — Payoff Timeline](https://www.tidycalcs.com/credit-card-payoff-calculator/): Calculate exactly how long it will take to pay off your credit card and how much interest you'll pay. Free calculator with payment vs payoff date comparison.
- [Due Date Calculator — Pregnancy Due Date & Weeks Pregnant](https://www.tidycalcs.com/due-date-calculator/): Enter the first day of your last period (with cycle length), conception date or IVF transfer date to get an estimated due date, weeks pregnant, trimester, days to go and a timeline of prenatal milestones.
- [GPA Calculator — Weighted, Unweighted & Cumulative GPA](https://www.tidycalcs.com/gpa-calculator/): Enter grades, credits and class type (regular, honors, AP/IB) to get weighted and unweighted GPA, a new cumulative GPA, and the GPA needed next term to reach a goal. Includes a letter grade, percent and GPA chart.
- [Percentage Calculator — Percent Of, Change & Discounts](https://www.tidycalcs.com/percentage-calculator/): Find X% of a number, what percent one number is of another, percent increase or decrease, sale prices and reverse percentages, with the formula shown for each answer.
- [Dog Age Calculator — Dog Years to Human Years](https://www.tidycalcs.com/dog-age-calculator/): Convert your dog's age to human years by size (small, medium, large) using the AKC/AVMA chart and the 2020 UC San Diego DNA formula, with a full dog years chart.
- [Date Calculator — Days Between Two Dates Free](https://www.tidycalcs.com/date-calculator/): Calculate the number of days between two dates instantly. Free, fast, and accurate days between dates calculator.
- [Debt Payoff Calculator — Snowball vs Avalanche](https://www.tidycalcs.com/debt-payoff-calculator/): Free debt payoff calculator comparing the snowball and avalanche methods. See your payoff date and total interest for multiple debts side by side.
- [Money Personality Quiz — What's Your Money Type?](https://www.tidycalcs.com/money-personality-quiz/): 8-question quiz that matches your spending and saving habits to one of four money personalities, with tips and tools for your type.
- [Printable Debt Payoff Tracker — Free Coloring Chart](https://www.tidycalcs.com/printable-debt-payoff-tracker/): Free printable debt payoff chart. Enter a balance and what each box is worth, print one page, and color in a box as the balance comes down.
- [Printable Emergency Fund Tracker — Free Savings Log](https://www.tidycalcs.com/printable-emergency-fund-tracker/): Free printable emergency fund tracker. Enter monthly essentials and months to cover for a one-page progress bar with milestones plus a deposit and withdrawal log.
- [Printable Debt Snowball Worksheet (or Avalanche) — Free](https://www.tidycalcs.com/printable-debt-snowball-worksheet/): Free printable debt snowball or avalanche worksheet. List your debts and the extra you can pay to print a one-page payoff plan with each focus payment worked out and a monthly check-in log.
- [Printable Monthly Budget Worksheet (50/30/20) — Free](https://www.tidycalcs.com/printable-monthly-budget-worksheet/): Free printable monthly budget worksheet. Enter take-home pay and spending by category to print a one-page budget with planned and actual columns and a 50/30/20 check.
- [Printable Expense Tracker — Free Monthly Spending Log](https://www.tidycalcs.com/printable-expense-tracker/): Free printable expense tracker. Choose the month, a spending budget and your own categories, then print a one-page spending log with a running total and a category summary.
- [Printable 52-Week Savings Challenge Chart (2027) — Free](https://www.tidycalcs.com/printable-52-week-savings-challenge/): Free printable 52-week money challenge chart. Choose classic, reverse or same-every-week, set a starting amount and date, and print a one-page chart with each week's deposit, date and running total.
- [Printable 100 Envelope Challenge Chart — Free (Save $5,050)](https://www.tidycalcs.com/printable-100-envelope-challenge/): Free printable 100 envelope savings challenge chart. Choose 100, 50 or 25 envelopes, a dollar amount per envelope number, a pace and a start date, and print a one-page chart of numbered envelopes to cross off.
- [Debt-to-Income Ratio Calculator — DTI for Mortgage](https://www.tidycalcs.com/debt-to-income-calculator/): Calculate your debt-to-income (DTI) ratio instantly. See if you qualify for a mortgage and get your front-end and back-end DTI ratios with our free calculator.
- [Extra Mortgage Payment Calculator — Save Interest](https://www.tidycalcs.com/extra-mortgage-payment-calculator/): See how much you save by making extra mortgage payments. Free calculator shows interest saved, years shaved off, and your new payoff date.
- [Home Equity Calculator — How Much Equity Do You Have?](https://www.tidycalcs.com/home-equity-calculator/): Calculate your home equity free. Enter your home value and mortgage balance to see equity, LTV ratio, and how much you can borrow.
- [How Much House Can I Afford? Free Calculator](https://www.tidycalcs.com/how-much-house-can-i-afford-calculator/): Find out how much house you can afford based on your income, debts, and down payment. Free calculator using the standard 28/36 affordability rule.
- [Investment Return Calculator — Portfolio Growth](https://www.tidycalcs.com/investment-calculator/): Free investment return calculator. See how your portfolio grows with a yearly breakdown, total gain, and CAGR.
- [Life Expectancy Calculator — How Long Will I Live?](https://www.tidycalcs.com/life-expectancy-calculator/): Estimate your life expectancy from the 2023 Social Security period life table, with your chance of reaching 90 and 100 and adjustments for smoking, exercise and weight.
- [Life Insurance Calculator — How Much Coverage?](https://www.tidycalcs.com/life-insurance-calculator/): Free life insurance calculator using the DIME method. Enter income, debts, mortgage, and education costs to see how much coverage you need.
- [Macro Calculator — Protein, Carb & Fat Grams](https://www.tidycalcs.com/macro-calculator/): Already know your daily calorie target? Get your protein, carb, and fat grams instantly for balanced, high-protein, low-carb, or keto diet styles.
- [Mortgage Calculator — Free Monthly Payment Estimator](https://www.tidycalcs.com/mortgage-calculator/): Calculate your monthly mortgage payment instantly. Free online mortgage calculator with amortization schedule, total interest, and full payment breakdown.
- [Net Worth Calculator — Calculate Your Net Worth](https://www.tidycalcs.com/net-worth-calculator/): Calculate your net worth instantly. Free net worth calculator — enter your assets and liabilities to see your total net worth and financial snapshot.
- [Net Worth by Age — How Do You Compare?](https://www.tidycalcs.com/net-worth-by-age/): Median and average net worth by age from the Federal Reserve 2022 Survey of Consumer Finances, with a tool that compares your net worth to your age group and estimates your rank among U.S. households.
- [Paycheck Calculator — Take-Home Pay Estimator](https://www.tidycalcs.com/paycheck-calculator/): Estimate take-home pay after federal tax, Social Security, and Medicare. Free paycheck calculator for weekly, biweekly, monthly, or annual pay.
- [Personal Loan Calculator — Monthly Payment](https://www.tidycalcs.com/personal-loan-calculator/): Free personal loan calculator. Estimate your monthly payment, total interest, and total cost for any loan amount, rate, and term.
- [Refinance Calculator — Should You Refinance?](https://www.tidycalcs.com/refinance-calculator/): Free mortgage refinance calculator. See your new monthly payment, monthly savings, and how long until you break even. Instant results, no sign-up required.
- [Rent vs Buy Calculator — Rent or Buy a Home?](https://www.tidycalcs.com/rent-vs-buy-calculator/): Should you rent or buy a home? Free rent vs buy calculator — compare total costs over time and find out which is the smarter financial move in your market.
- [Retirement Calculator — How Much Do You Need?](https://www.tidycalcs.com/retirement-calculator/): Find out if you're on track for retirement. Enter your age, savings, and contributions to see your projected balance at retirement.
- [How Long Will My Money Last? — Retirement Withdrawal Calculator](https://www.tidycalcs.com/how-long-will-my-money-last/): Enter savings, monthly withdrawal, expected return and inflation to see how many years your money lasts, the age it runs out and the monthly amount that lasts 30 years.
- [Savings Goal Calculator — How Long to Save?](https://www.tidycalcs.com/savings-goal-calculator/): Find out how long it takes to reach your savings goal. Enter your target, current savings, monthly deposit, and rate to get your timeline.
- [Christmas Countdown 2026: Days Until Christmas + Savings Calculator](https://www.tidycalcs.com/christmas-countdown/): Live countdown to Christmas plus a savings calculator that counts your paydays left and shows how much to set aside from each paycheck to pay for the holidays in cash.
- [New Year Countdown 2027: Days Until New Year's + Savings Plan](https://www.tidycalcs.com/new-years-countdown/): Live countdown to New Year's plus a planner that splits next year's savings goal into an amount per payday, per week and per day.
- [Student Loan Calculator — Monthly Payment Estimator](https://www.tidycalcs.com/student-loan-calculator/): Calculate your student loan monthly payment, total interest, and payoff date instantly. Free calculator with current federal loan rates and repayment plan info.
- [Tax Bracket Calculator — 2026 Federal Income Tax](https://www.tidycalcs.com/tax-bracket-calculator/): See your marginal and effective federal tax rate for 2026. Free calculator with a breakdown by bracket for single, joint, and head of household.
- [Tip Calculator — Split the Bill Easily](https://www.tidycalcs.com/tip-calculator/): Free tip calculator. Enter your bill, tip percentage, and number of people to instantly see the tip amount and each person's share.
- [Currency Converter — Live Rates, 150+ Currencies](https://www.tidycalcs.com/currency-converter/): Free currency converter with live exchange rates for 150+ currencies. Convert USD, EUR, GBP, JPY and more instantly with up-to-date mid-market rates.

## Guides

- [15-Year vs 30-Year Mortgage: Which Should You Choose?](https://www.tidycalcs.com/15-vs-30-year-mortgage-guide/): A clear comparison of 15-year and 30-year mortgages — monthly payment, total interest, flexibility, and how to decide which fits your budget and goals.
- [Monthly Payment on a $30,000 Car Loan](https://www.tidycalcs.com/30000-car-loan-monthly-payment/): A $30,000 car loan at 6% for 60 months costs about $580 a month and $4,799 in interest. See monthly payments for 36 to 72 month terms at 4%, 6%, 8% and 10%.
- [401(k) Employer Match Explained: How It Works](https://www.tidycalcs.com/401k-employer-match-explained/): How 401(k) employer matching works, common match formulas, vesting schedules, and why leaving a match unclaimed is a costly retirement mistake.
- [The 50/30/20 Budget Rule, Explained](https://www.tidycalcs.com/50-30-20-budget-rule/): What the 50/30/20 budget rule is, how to apply it to your paycheck, and what to do when your numbers don't fit the split.
- [ARM vs Fixed-Rate Mortgage: Which to Choose?](https://www.tidycalcs.com/arm-vs-fixed-rate-mortgage/): Compare adjustable-rate and fixed-rate mortgages for 2026: current rates, how rate caps work, and which one actually makes sense for your situation.
- [Average Mortgage Payment by State (2026)](https://www.tidycalcs.com/average-mortgage-payment-by-state/): Estimated monthly mortgage payment in every U.S. state for 2026, based on median home prices, mortgage rates, and property tax. Sortable table and sources.
- [BMI vs. Body Fat Percentage: Which Should You Track?](https://www.tidycalcs.com/bmi-vs-body-fat-percentage/): BMI and body fat percentage measure different things. See what each tells you, where BMI falls short, and which matters more for your goals.
- [How Many Calories to Lose 1 Pound a Week?](https://www.tidycalcs.com/calories-to-lose-a-pound/): How a calorie deficit works, why ~500 fewer calories a day is the common target for losing about 1 pound a week, and how to find your own number safely.
- [Closing Costs Explained: What You'll Pay](https://www.tidycalcs.com/closing-costs-explained/): What closing costs are, how much they typically run, what's included, and how to lower them. The cash you need beyond the down payment.
- [What Credit Score Do You Need to Buy a House?](https://www.tidycalcs.com/credit-score-for-mortgage/): The credit score you need to buy a house by loan type, why a higher score lowers your rate, and ways to improve your score before applying.
- [Debt Consolidation: How It Works & When It Helps](https://www.tidycalcs.com/debt-consolidation-guide/): How debt consolidation loans, balance transfer cards, and other consolidation methods work, plus when consolidating actually saves money versus when it doesn't.
- [Debt Snowball vs Avalanche: Which Saves More Money?](https://www.tidycalcs.com/debt-snowball-vs-avalanche/): Compare the debt snowball and avalanche methods with real numbers. See which saves more money, which pays off debt faster, and which is right for you.
- [What's a Good Emergency Fund Amount?](https://www.tidycalcs.com/emergency-fund-guide/): How much to keep in an emergency fund, where to put it, and how to build one from zero — with a realistic month-by-month savings plan.
- [First-Time Homebuyer Guide: What to Know](https://www.tidycalcs.com/first-time-homebuyer-guide/): A complete first-time homebuyer guide covering credit scores, down payments, mortgage types, the buying process, and how much house you can actually afford.
- [What is a Good Interest Rate for a Car Loan?](https://www.tidycalcs.com/good-car-loan-interest-rate/): Find out what counts as a good car loan APR in 2026. Rate benchmarks by credit score, new vs used cars, and when refinancing your auto loan makes sense.
- [What is a Good Credit Card Interest Rate?](https://www.tidycalcs.com/good-credit-card-interest-rate/): Find out what counts as a good credit card APR in 2026, how rates compare by credit score, and when your rate actually matters.
- [What is a Good Mortgage Refinance Rate?](https://www.tidycalcs.com/good-refinance-rate/): Find out what counts as a good mortgage refinance rate today, how rates are determined, and how to get the lowest rate possible on your refinance.
- [Home Equity Loan vs. HELOC: Which Fits You?](https://www.tidycalcs.com/home-equity-loan-vs-heloc/): Home equity loans and HELOCs both borrow against your equity but work differently. Compare fixed vs. variable rates and lump sum vs. credit line.
- [How Compound Interest Works and Why It Matters](https://www.tidycalcs.com/how-compound-interest-works/): How compound interest actually works, why starting early beats almost everything else, and the real math behind the Rule of 72 with concrete examples.
- [How Do Student Loans Work? A Complete Guide](https://www.tidycalcs.com/how-do-student-loans-work/): Federal vs private student loans, how interest accrues, repayment plan options, and what to know before you borrow or start paying them off.
- [How Long to Pay Off $5,000 in Credit Card Debt](https://www.tidycalcs.com/how-long-to-pay-off-5000-credit-card-debt/): A $5,000 balance at 22% APR takes from 12 months to over 6 years depending on your payment. See the numbers and how to speed up payoff.
- [Paying Only the Minimum: How Long to Pay Off a Card](https://www.tidycalcs.com/how-long-to-pay-off-credit-card-minimum-payments/): Paying only the minimum on a $5,000 card at 24% APR takes about 19 years and costs nearly $9,000 in interest. See $3,000 to $10,000 balances.
- [How Long Does It Take to Save $10,000](https://www.tidycalcs.com/how-long-to-save-10000/): Saving $300 a month gets you to $10,000 in about 2 years and 10 months, or 2 years and 8 months at a 4.5% savings rate. See the time for $100 to $1,000 a month.
- [How Many Calories Do You Actually Need Per Day?](https://www.tidycalcs.com/how-many-calories-do-you-need/): Estimate your daily calorie needs with BMR and TDEE, how activity changes the number, and how to adjust for weight loss, maintenance, or muscle gain.
- [How Many Calories to Eat to Lose Weight](https://www.tidycalcs.com/how-many-calories-to-eat-to-lose-weight/): A 175 lb lightly active woman needs about 2,030 calories to maintain and about 1,530 to lose a pound a week. See targets by weight for women and men.
- [How Much Can I Save by Refinancing?](https://www.tidycalcs.com/how-much-can-i-save-refinancing/): Find out exactly how much you can save by refinancing your mortgage. Real examples, a savings calculator, and a clear breakdown of monthly and lifetime savings.
- [How Much Equity Can You Borrow From Your Home?](https://www.tidycalcs.com/how-much-equity-can-you-borrow/): How lenders calculate your maximum HELOC or home equity loan amount, typical 80-90% CLTV limits, and a step-by-step example.
- [How Much Life Insurance Do You Actually Need?](https://www.tidycalcs.com/how-much-life-insurance-do-i-need/): A practical framework for calculating your life insurance coverage — income replacement, debts, future expenses, and the difference between term and whole life.
- [How Much Protein Do I Need Per Day?](https://www.tidycalcs.com/how-much-protein-do-i-need-per-day/): The minimum, the common range for active people, a worked example by body weight, how to spread it across meals and which foods get you there.
- [How Much Should I Have in Savings?](https://www.tidycalcs.com/how-much-should-i-have-in-savings/): Find out exactly how much you should have in savings in 2026. Emergency fund guidelines by income type, real dollar targets, and where to keep your money.
- [How Much Should I Put Down on a House?](https://www.tidycalcs.com/how-much-to-put-down-on-a-house/): How much to put down on a house, with real numbers for 3%, 10%, and 20% down, including PMI costs, monthly payments, and break-even.
- [How Much to Save Per Month to Have $1 Million by 65](https://www.tidycalcs.com/how-much-to-save-per-month-to-reach-1-million/): To reach $1 million by 65 you need to save about $555 a month if you start at 30 and earn 7%. See the monthly amount for every starting age from 25 to 55.
- [How Much Should You Spend on a Car?](https://www.tidycalcs.com/how-much-to-spend-on-a-car/): The 20/4/10 rule for car buying, how to figure out a realistic budget, and the true cost of ownership beyond just the monthly payment.
- [How Tax Brackets Work: Marginal vs Effective Rate](https://www.tidycalcs.com/how-tax-brackets-actually-work/): Why a higher tax bracket doesn't tax all your income at that rate. 2026 bracket tables and examples of marginal vs effective tax rate.
- [How to Build Credit From Scratch](https://www.tidycalcs.com/how-to-build-credit/): How credit scores actually work, what to do with no credit history, and how long it realistically takes to build a good score from zero.
- [How to Get a Personal Loan — Step-by-Step Guide](https://www.tidycalcs.com/how-to-get-a-personal-loan/): A step-by-step guide to getting a personal loan: the credit score you need, how to compare lenders, what documents to gather, and how to get a low rate.
- [How to Pay Off Credit Card Debt Fast](https://www.tidycalcs.com/how-to-pay-off-credit-card-debt-fast/): Strategies to pay off credit card debt faster: avalanche, snowball, balance transfers, and consolidation, with real numbers.
- [We Cut Eating Out to Twice a Month. Here's What We Save](https://www.tidycalcs.com/how-much-we-save-not-eating-out/): First-hand story of going from eating out weekly to about twice a month, saving $60 to $80 per meal (roughly $1,700 to $2,200 a year), with a small savings calculator.
- [How We Did Christmas for 4 Kids on $300, With No Debt](https://www.tidycalcs.com/christmas-on-a-budget/): First-hand story of a debt-free Christmas for four kids using a $300 cap, the 4-gift rule and $25 a week saved in a separate account.
- [How I Paid Off $3,500 of Christmas Credit Card Debt](https://www.tidycalcs.com/how-i-paid-off-my-credit-card/): First-hand story of paying off a Christmas credit card balance with a hand-drawn 70-box chart and side income from singing in a band.
- [How to Start Investing: A Beginner's Guide](https://www.tidycalcs.com/how-to-start-investing/): A practical, no-jargon start for new investors: account types, how much to invest, index funds vs. stocks, and common first-timer mistakes.
- [Is a 72-Month Car Loan a Bad Idea?](https://www.tidycalcs.com/is-a-72-month-car-loan-a-bad-idea/): What a 48, 60, 72 and 84-month car loan actually cost on the same $35,000 car, how rate and down payment change it, and when a longer term is a warning sign.
- [How to Lower Your Monthly Mortgage Payment — 7 Ways](https://www.tidycalcs.com/lower-mortgage-payment/): Seven ways to lower your monthly mortgage payment, from refinancing and recasting to removing PMI and extending your term. Test each with a calculator.
- [Mortgage Payment by Rate — 6% to 8% Calculator](https://www.tidycalcs.com/mortgage-payment-at-7-percent/): See monthly mortgage payments at any interest rate from 5% to 9% for common home prices. Interactive rate comparison with 15 and 30-year breakdowns.
- [Mortgage With PMI — Low Down Payment Estimate](https://www.tidycalcs.com/mortgage-with-pmi/): Estimate a mortgage payment when you put less than 20% down and pay PMI. See how a bigger down payment removes PMI and lowers your cost.
- [Personal Loan vs Credit Card: Which Should You Use?](https://www.tidycalcs.com/personal-loan-vs-credit-card/): Compare personal loans and credit cards side by side. Real numbers on interest costs, when each makes sense, and how to decide for your situation.
- [Rent vs. Buy: How to Actually Decide](https://www.tidycalcs.com/rent-vs-buy-guide/): Rent vs. buy isn't just about the monthly payment. The full framework: total cost of ownership, breakeven timelines, and what matters beyond the math.
- [Retirement Savings by Age: How Much to Have Saved](https://www.tidycalcs.com/retirement-savings-by-age/): Fidelity's salary-multiple benchmarks for retirement savings by age 30, 40, 50, and 60, average 401(k) balances by age, and how to catch up if you're behind.
- [Roth IRA vs Traditional IRA: Which Is Right for You?](https://www.tidycalcs.com/roth-vs-traditional-ira/): The tax difference between Roth and Traditional IRAs, 2026 contribution limits, income limits, and how to decide which one fits your situation.
- [Should I Refinance My Mortgage?](https://www.tidycalcs.com/should-i-refinance/): Is refinancing your mortgage worth it? Learn the break-even rule, when rates are worth it, and use our free calculator to see your savings.
- [Student Loan Repayment Plans 2026: What Changed](https://www.tidycalcs.com/student-loan-repayment-plans-2026/): SAVE is blocked, RAP and the Tiered Standard Plan launched July 2026, and IBR is the last surviving income-driven plan. Here's what it means for your payment.
- [Term vs Whole Life Insurance: Which Is Right for You?](https://www.tidycalcs.com/term-vs-whole-life-insurance/): The real differences between term and whole life insurance — cost, cash value, coverage length, and how to decide which fits your budget and goals.
- [Understanding Your BMI: What the Number Means](https://www.tidycalcs.com/understanding-bmi/): What BMI measures, what the categories mean, and its limits: a screening tool, not a diagnosis, and what it misses for athletes and others.
- [Understanding Your Paycheck: Gross Pay vs Net Pay](https://www.tidycalcs.com/understanding-your-paycheck/): What gets taken out of your paycheck between gross and net pay: tax withholding, FICA, and pre-tax deductions, explained with a real example.
- [What Credit Score Do I Need to Buy a House?](https://www.tidycalcs.com/what-credit-score-do-i-need-to-buy-a-house/): What credit score you need to buy a house in 2026. Minimums for FHA, conventional, VA, and USDA loans, and how your score affects your rate.
- [What Is a Good Credit Score? Ranges & Real Costs](https://www.tidycalcs.com/what-is-a-good-credit-score/): Find out what counts as a good credit score in 2026. FICO score ranges explained, what each tier gets you, and exactly how much a better score saves you.
- [What Is a Good Debt-to-Income Ratio?](https://www.tidycalcs.com/what-is-a-good-debt-to-income-ratio/): What counts as a good, borderline, or risky debt-to-income ratio, how lenders actually use it for mortgages and loans, and practical ways to lower yours.
- [What Return Should You Expect From Stocks?](https://www.tidycalcs.com/what-return-should-you-expect-from-stocks/): The S'10% average' you keep hearing about is real, but it hides two things that matter a lot for planning: inflation and year-to-year swings.

## About

- [About TidyCalcs](https://www.tidycalcs.com/about/): How the calculators work and what the results mean.
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- [Contact](https://www.tidycalcs.com/contact/)